How to properly detect ceramic plungers?

Time: 2019-01-07 Writer: mingrui

How to properly detect ceramic plungers?

(1) The cooperation between ceramic and ceramic when inspecting the ceramic plunger. Insert the plunger end into the plunger sleeve and tilt it by about 60°. If the plunger can slide slowly under its own action, it will work well; otherwise, it cannot be used as a finished product and needs to be adjusted.

(2) Check the tightness of the plunger. Hold the plunger sleeve with your hand, two fingers block the oil inlet on the top and side of the plunger, and use the other hand to pull out the plunger. If you feel a large suction force, gently release the plunger and immediately retract. In situ, indicating that the plunger is well sealed.

(3) Check the plunger for any scratches and rust, and replace the new product if necessary.

(4) Check whether the decompression ring of the oil valve is worn or not, and if necessary, replace it.

(5) Check the cooperation of the oil valve pair. Use your fingers to block the lower hole of the oil outlet valve, and use the other finger to gently press the oil outlet valve downward. When the finger leaves the upper end of the oil discharge valve, it can automatically spring back to the original position, indicating that the oil valve sub-sealing is good, otherwise The oil valve pair should be replaced.

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How to properly detect ceramic plungers?

How to properly detect ceramic plungers?

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